'Grey's Anatomy' (Nov. 12)

This episode marks the debut of Kim Raver ("24," "Lipstick Jungle") as Dr. Teddy Altman, who served with Owen (Kevin McKidd) in Iraq and makes Cristina (Sandra Oh) suspicious. Joel Grey also guest-stars -- and did we mention that Izzie ( Katherine Heigl) is back too? -- Rick Porter,

This episode marks the debut of Kim Raver ("24," "Lipstick Jungle") as Dr. Teddy Altman, who served with Owen (Kevin McKidd) in Iraq and makes Cristina (Sandra Oh) suspicious. Joel Grey also guest-stars -- and did we mention that Izzie ( Katherine Heigl) is back too? -- Rick Porter, (ABC)

This episode marks the debut of Kim Raver ("24," "Lipstick Jungle") as Dr. Teddy Altman, who served with Owen (Kevin McKidd) in Iraq and makes Cristina (Sandra Oh) suspicious. Joel Grey also guest-stars -- and did we mention that Izzie ( Katherine Heigl) is back too? -- Rick Porter,ABC